On Wed, 1 Feb 2006 10:31:07 +0100 Louis Croisez <louis.croisez@xxxxxxxxx> wrote: > Hello, > i need to write a little personal patch in the bridge code. > For this patch, i need to know the original src and dst mac addresses > of the packet incoming to the bridge. As i work on a brouter (some > packets are bridged, some are routed based on ebtable rules), packets > that are routed have their mac addresses modified by the IP stack). At start of br_handle_frame, dst mac address in skb is as received on wire. Call sequence is: netif_receive_skb handle_bridge br_handle_frame The skb on the pre-routing chain is actually after brouting but before going through bridge forwarding. > I put a software probe in br_input.c::br_handle_frame( ), but there, > the dst mac address is already replaced by the bridge local mac > address. > My question is: where must i put the probe to get the original src and > dst mac addresses? At the driver level? In the bridge, but where? > > Thx in advance. > PS: please CC to louis.croisezATgmail.com, because i am receiving the > digest once per day. > > _______________________________________________ > Bridge mailing list > Bridge@xxxxxxxxxxxxxx > https://lists.osdl.org/mailman/listinfo/bridge -- Stephen Hemminger <shemminger@xxxxxxxx> OSDL http://developer.osdl.org/~shemminger
